As it turns out, the first-time dad-to-be was completely in the buff when Duff shared her news. "So when it actually happened he was in the shower," she revealed. "I just ran in and he was in the shower and I just held up the test and I was like, 'Oh my god.'"

She continued of the touching, naked moment: "And he was like, 'Ah!' He was soaking wet. We were just like a mess and started crying. It was really exciting!"

Keep clicking to see more photos of Hilary from throughout her pregnancy ...